Muslims will nearly double their numbers in Europe – to more than 10% – by 2050 and will outnumber Christians worldwide by 2070, according to a new forecast of the growth of religions around the world. The report, by Pew Research Center, also predicts that Muslims will become the second-largest religious group in the US – at 2.1% – by 2050. Insidermonkey experts made a list of 10 countries where Muslim population will increase the most by 2050.

Muslim, the quickest developing religious group on the planet, will constitute 29.7% of the worldwide populace in 2050. Although the Muslim population represents a tiny fraction of Americans – about 1% – it is set to grow rapidly over the next four decades. The report predicts Muslim will surpass Jews to become the second-largest religious group in the US by 2050 – while still only representing 2.1% of the whole country. You can also check our article of 11 countries with the highest Muslim population.